Steining
井内砌圈, 砖石支护
🗣️ 情景例句
Today has just been crazy.
今天都快忙疯了。
You're wasting you breath.
你在白费口舌。
After years of conditioning, most of us have developed an unshakable faith in railway timetables.
经过多年的适应，大多数人对火车时刻表产生了一种不可动摇的信念。